苹果公司说，这两款新电脑与此前的型号有着相同的尺寸和重量，但新电脑的电池容量分别增长了33%和46%。
Apple says the two models are the same size and weight as their predecessors, yet their battery capacity has grown by 33% and 46%, respectively.
这款机型厚度只有1.08英寸，不过在长宽尺寸方面则比旧款型号更大，重量也从5磅降低到了4.7磅。
The new MacBook carries the same 1.08-inch thickness, but is longer and wider than the older model. The weight, he said, has been reduced from 5 pounds to 4.7 pounds.
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